Stonewall RCMP responded to a fatal two-vehicle collision on Highway 6 near Warren about 15 minutes before midnight on Friday.
Police report that initial investigation indicates a 2005 Chevrolet Cobalt and a 1999 Chevrolet Malibu were both northbound on Highway 6 when the Cobalt attempted to make a U-turn. The Malibu struck the Cobalt on the driver's side.
The four people in the Cobalt -- an adult male, adult female, and two children -- were all taken to hospital with undetermined injuries. The 22-year-old male driver was later pronounced dead. He was from Little Saskatchewan First Nation. The driver of the Malibu, a 23-year-old man from the RM of Grahamdale, was not injured.
The highway was closed for about eight hours while RCMP and a Traffic Collision Analyst investigated. Police continue to investigate.